refactor: remore redundant type checking conditional block

Author: Eoic

papyrus/schemas/book.py

@@ -198,15 +198,10 @@ class BookList(BaseModel):
     pagination: "Pagination"
 
 
-# Imports at bottom to avoid circular imports
 if TYPE_CHECKING:
     from papyrus.schemas.common import Pagination
     from papyrus.schemas.shelf import ShelfSummary
     from papyrus.schemas.tag import Tag
-else:
-    from papyrus.schemas.common import Pagination
-    from papyrus.schemas.shelf import ShelfSummary
-    from papyrus.schemas.tag import Tag
 
 Book.model_rebuild()
 BookList.model_rebuild()